The pin tumbler mechanism yale locks euro cylinders locks etc is the most common for snapped keys the vast majority of doors in the uk have this type of mechanism.
Key broke inside door lock.
We tend to find too that cheaper manufacturers use thinner blades of metal for their keys and this leaves them more susceptible to breaking.
Designed as extra security for exterior doors.
Try to grip the broken key and pull it out.
Insert a screwdriver into the lock and turn it back to its default vertical position.
The cylinder will need to be in a locked or unlocked position to be able to extract the key fragment from the door.
The broken key can also actually cause damage to the lock.
For use in combination with a door knob lever lock.
The non locking side of the door should have a small hole likely on the face of the knob.
Key is broken off in lock try to use needle nose pliers to grip and pull the broken piece of key straight out.
Doors cars trucks.
You simply need a straight stiff.
If the key broke inside lock before the door was shut you ll be unable to lock the door thereby leaving your home car or office at a greater risk of theft.
Most tweezers are inappropriately sized for this task and will just end up pushing the key farther into the keyway.
Use needle nose pliers to reach inside the cylinder.
When a key breaks off in the lock most people go right for the tweezers.
Provide greater control over access to your home.
If you can t get a grip even with needle nose pliers cut off a coping saw blade and with the teeth pointed outward insert the blade into the keyway and try to hook and drag the key out.
Electronic door locks use an electronic keypad instead of a key.
Turn the cylinder until the door is locked or unlocked.
Inside is a small button that needs to be pushed to unlock the door.
Your main concerns should be the thickness of your tweezers and how far the broken key is in the lock.
Entry can be gained by entering a numeric code on the programmable keypad without the need for a key.
If you try to remove any key when the key is in between states it will stay stuck in the lock.